Machine for forming hooked heads on wire bale-ties



(No Model.) 7 v 3 Sheets-Sheet 1. G. LEHBERGER.

MACHINE FOR FORMING HOOKED HEADS 0N WIRE BALE TIES. No. 585,823. Patented July 6, 1897.

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(No Model.) 3 Sheets-Sheet 2 G. LEHBERGER. MACHINE FOR FORMING 1100mmHEADS 0N WIRE BALE TIES" No. 585,823. Patented July 6, 1.897.

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G. LEHBERGER. MACHINE FOR FORMING HOOKED HEADS 0N WIRE BALE TIES.

No. 585,823. Patented July 6,1897.

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U ITED STATES PATEN T FFICE.

GEORGE LEIIBERGER, OF JOLIET, ILLINOIS, ASSIGNOR TO THE KILMER BALE TIECOMPANY, OF CHICAGO, ILLINOIS.

MACHiNE FOR FORMING HOOKED HEADS ON WIRE BALE-TIES.

SPECIFICATION forming part of Letters Patent No. 585,823, dated July 6,1897.

Application filed August. 3 1896.

T0 to whom, it may concern.-

Be it known that I, GEORGE LEHBERGER, a citizen of the United States ofAmerica, residing at Joliet, in the county of Will and State ofIllinois, have invented certain new and useful Improvements in Machinesfor Forming Hooked Heads on Wire Bale-Ties, of which the following is aspecification,reference being had therein to the accompanying drawings,and the figures of reference thereon, forming a part of thisspecification, in which Figure 1 is a top plan of the machine. Fig. 2 isa cross-sectional view of the machine, taken on line A A of Fig. 1,looking in the direction of the arrow. Fig. 3 is an end View of Fig. 1,looking at the right end of the figure. Fig. 4: is a cross-section of aportion of Fig. 1, taken on line B B through the slides Fig. 5 is across-section of a portion of Fig. 1 and of Figs. 2- and 3, taken online C C. Fig. 6 is a side view of one of the cam-wheels of the machine,taken on line D D of Fig. 1, showing the cam-channel of said wheel and aportion of the slide operated thereby. Fig. 7 is a side view of a camlocated adjacent to said last-named cam-wheel on the opposite side ofsaid line D D. Fig. 8 is an interior side plan of one of the arms of theforming-head of the machine and also showing the wire-forming arms ofthe opposite arm of said head. Fig. 9 is an exterior side plan of thewire-forming head, also a cross-section of the wire-holding vise. Fig.10 is an interior side plan of the opposite arm of the forming-head ofthe machine to that shown in Fig. 8. Fig. 11 is a detail perspeciiveview of the block around which the balewire is bent to form the hookedhead on the end of the bale-wire. Fig. 12 is a cross-section of aportion of Fig. 1, taken on line E, looking in the direction of thearrow, showing a side view of the movable clutch-head and a side view ofits stop mechanism. Fig. 13 is a detail side view of a portion of one ofthe connecting-rods of the Wire-forming head, showing a cross-section ofits connecting-stud and a plan of an eccentric wrist on said stud. Figs.let and 15 are cross-sections of said forming-head parts, taken on linesF F of Figs. 1, S, 9, and 10; and Fig. 16 is a view of the Serial No.601,500. (No model.)

provements are fully set forth and explained in the followingspecification and claims.

Referring to the drawings, 1 is the bed of the machine, intended to besupported on suitable legs.

6 is the drive-shaft, properly journaled in the boxes 2 and 3 and havinga loose pulley 8 and a fast pulley 9 on its outer end and a drivebevel-gear 13 secured on its inner end and a drive-pinion 79 securedthereon between its said boxes.

10 is a counter-shaft properly journaled at its ends in the boxes 15 and16, and has secured thereon the bevel-pinion 1 1 for meshing withdrive-gear 13, and has also secured on its inner end a clutch-head 17.

7 is a shaft arranged parallel With shaft 6 and is properly journaled inboxes 4 and 5 on said bed and has secured thereon between said boxes thegear-wheel 80, having a cam 77 on its side, which gear-wheel meshes withand is driven by said pinion 79. 7 has secured on its inner end the cam24:, (shown in Figs. 1 and 7,) and has also secured thereon nextadjacent to said cam 24 the cam-wheel 11, having a side cam-channel, asshown in Fig. 6.

12 is a shaft arranged in line with shaft 10 and is properly journaledin boxes 31 and 32 on said bed and in such manner that it mayreciprocate therein within certain limits. Said shaft 12 has splined onits inner end a clutch-head 18, the pins of which are intended to engagethose of clutch-head 17 on shaft 10 when clutch-head 18 is moved nearenough shaft 10, and when said clutches are connected shaft 12 will berotated by shaft 10 .until the said clutches are released from eachother. Said shaft 12 has also secured on its outer end the part of themachine that forms the hooked head on the end of the bale-wire andtwists the return end of the bale-wire back upon itself, which part iscalled the forming-head and which consists of the head 41 and theparallel arms 42 and 43, having an open space between them, and thewire-bending parts attached to said arms and which will be hereinafterdescribed. Said shaft 12 has also splined thereon between its box 32 andthe head 41 the sliding head 35, provided with an annular channel 36 forthe reception of the forked arm of the slide 21, adapted to slide in thelong box 33 (see Fig. 4) through the medium of a roller-wrist 23 on itsopposite end, which wrist travels in the channel of cam-wheel 11. (SeeFigs. 1 and 6.) Said head 35 is connected by means of the pitmen 44 and45, arranged opposite each other, with the oppositely-arranged cranks 46and 47 of the wire-bending parts. (See Figs. 1, 9, 14, and 15. Saidshaft 12 has secured on it between its boxes, but near box 31, a collar29, and has sleeved on it between said collar and its box 32 acoil-spring 30, which spring returns said shaft after it has been movedforward by reason of the balewire being twisted, as the twisting of thebalewire necessarily shortens it, and the twisterhead must move towardthe wire a short distance during the twisting operation. Said shaft 12is provided on its rear end with a clutch 18, splined thereon, whichclutch is provided with an annular channel 36 for receiving the forkedarm 19 of the slide 20. Said slide 20 is provided on its side near itsinner end with a roller 22, which engages and is held in contact withthe periphery of cam 24 on shaft 7 by means of a coil-spring 25, whichconnects said slide with a fixed arm 26 of the machine. Rotation of saidcamwill permit slide 20 to move clutch 18 toward shaft 10 until theclutches 17 18 connect said shafts, and thus cause shaft 12 to rotateuntil the form of said cam causes it to move slide 20 backward, and withit clutch-head 18, and thus disconnect said clutches and cause saidshaft 12. to cease to rotate.

The arm 42 of head 41 is provided nearits outer end with a shorttransverse shaft 48, to the outer end of which is attached a crank 46,which is connected with said sliding head 36 by means of aconnecting-rod 44. The said shaft 48 has secured to it near its innerend a disk 82, carrying a pin 59, which disk is seated in a recess inarm 42, so that it will be flush with the inner face of said arm. (SeeFig. 15.) 50 is a hooked arm which fits on the outer end of said shaft48 and said pin and is held in place by being in contact with the sideof arm 51 of the opposite. arm 43.

56 is a cam-lever having its inner end pivoted on the stud 57 on theinner side of arm 42, and is formed on its inner end to fit the hollowon the under side of the former 53,

and is operated by the hooked arm 50 to press the bale-wire up under andinto the hollow on the under side of said former, as shown in Fig. 10.

The arm 42 is provided with a transverselyarranged sliding block 53,having on its in ner end a former 53, around which the wire is passed toform the hooked head of the baletie 60. (See Figs. 1, 8, 10, and 11.)

l The arm 43 is provided with a transverselyarranged shaft 49,substantially in line with shaft 48, which shaft has attached to itsouter end the crank 4'7, set at an angle to crank 46, as shown in Figs.1 and 9, and the said crank 47 is connected with the sliding head 35 bymeans of a connecting-rod 45. (See Fig. 9.) The inner end of said shaft49 has secured to it an arm 51, carrying a pair of sheave-rollers 52 onits inner side near its outer end, as

shown in Figs. 8, 10, and 14, said sheavewheels being adapted to bendthe end of the bale-wire back over said former 53, as shown in Fig. 10.When said arm 51 is operated by means of crank 47 after the end of thebalewire has been passed around the former 53,

as shown in Fig. 10, it is in order for the clutches 17 and 18 to beconnected and cause the form er-head 41 42 43 to be rotated to twist thereturned end of the bale-wire back upon itself in the form shown in Fig.16. A vise is used to grasp the return end of the balewire and thebody-wire together firmly while the twisting operation is taking place.Said vise is shown in Figs. 1, 2, and 3, and consists of the slide 62and the permanent dieblock 72. Said slide 62 is held rearward out ofcontact with said die-block 72 by means of acoil-spring 65, whichconnects at one end with said slide at 64 and has its opposite endconnected at 66 with the bed 1. Said slide receives its forward movementfrom cam 77 on.

of lever 75. Said lever is fulcrumed at about its center on bed 1, andis provided on one end with a friction-roller 76, which travels on cam77, and its opposite end is in contact with the. outer end of said slide62. The form of said cam causes said lever to oscillate and thus movesaid slide 62 forward, so as to cause the bale-wire to be compressed andheld between the inner endof said slide and dieblock 72 While thetwisting operation is going on, and the said slide will be returned bymeans of said spring 65 on being relieved from pressure on its outer endby lever 75, due to the form of said cam 77. Said slide is connected tothe bracket 6l,'secured to theend of bed 1, as shown in Figs. 1 and 5,by means of stud-bolts 81, that pass through a slot 81 in said bracket.Said slide has pivotally connected to it near its inner end 011 one sidean arm 68, extending forward beyond the end of the slide and under thebalewire, and is inclined on its outer end and arranged to'engage astud-pin 67, and thus elevate its outer end as the slide closes againstIIO die-block 72 and carry the bale-wire up tothe transverse groove 60on the face of clieblock 72, to be held in said groove while thetwisting operation is taking place. It is necessary to thus elevate thebale-wire before being twisted to the plane it is left after beingcoiled upon theformer 53.

69 is a plate secured on the top of the inner end of slide (32 and isprovided with a forwardly-extending inclined arm '71 for-carrying thereturn end of the bale-wire down to the said groove to be held inconnection with the body-wire to be twisted therewith.

63 is aplate attached to the slide 62 through the medium of thestud-bolts 81, as shown in Fig. 3 and 5, and reciprocates with it. Theforward end of said plate is forked, as shown in Fig. 3, for the purposeof centering the bale-wire in the transverse groove 60, so the saidslide and die-block may hold the wire at that place while the twistingoperation is going on and locks the wire so it will not escape while itis being coiled around the former.

The connecting wrists or studs 86 of the cranks 46 47 are provided witheccentric wrists 88, sleeved thereon, as shown in Fig. 13, whicheccentric wrists carry the connecting-rods 44 45. By rotating saideccentric wrists any wear of the said parts may be taken up, so theformers will operate accurately. In operation the end of the balewire 60is placed in the machine between the arms 42 and 43 of the head in thegroove of one of the sheave-wheels 52 of the oscillating arm 51, asshown in Figs. 1 and 8. The sliding head 36 by reason of its connectionwith camwvheel 11 through the medium of slide 21 will move rearward fromthe bale wire and permit the spring 55 to move the former 53 inimmediately over the bale-wire and simultaneously said sliding headthrough the medium of cranks 46 and 47 and the connecting-rods 44 and45will cause the oscillating arm 51 to turn from the position shown inFig. 8 to that shown in broken lines in Fig. 10 and bend the extendingendof the bale-wire over the top of said former and back upon itself,while at the same time the hooked arm 50 has moved to the position shownin Fig. 10 from that shown in Fig. 8 and carried with it the cam-arm 56,thus compressing the bale-wire to the form of said former, as shown inFig. 10. The form of the channel of cam-wheel 11 is such as to hold theparts in the position shown in said Fig. 10 until the head with the endof the bale-wire thus formed around the former is rotated to twist thereturn end of the bale-wire back upon itself, as shown in Figs. 9 and16, and simultaneously the balewire and its return end are held by meansof the vise 62 72' until the twisting is done. As soon as the vise hasclosed upon the wire the r form of cam 24 permits the spring 25 andslide 20 move clutch 18 rearward, so the clutches 17 and 18 will engageeach other and cause shaft 12 and its head 41 42 43 to rotate to twistthe wire the desired number of times, when cam 24 will operate slide 20to return clutch 18 and disconnect it from clutch 17, and thus stopfurther rotation of shaft 12 and its head and discontinue the twistingoperation. The

rotation of shaft 12 must be arrested at the proper time to leave thehead in the position shown in Fig. 1, so the next bale-wire can beplaced in, as before. This is accomplished by means of a pair of stops27 and 28. (Shown in Figs. 1 and 12.) The form of the clutchhead 18 isshown in Fig. 12 as being flattened on its opposite sides. The stop 28is secured to the bed 1, as shown in Fig. 1, and before said clutchesare connected clutch 18 is in contact with it,-lout as the said clutchmoves toward its fellow clutch it becomes disconnected from said stopand free to rotate until it returns again and is arrested by said stopand held in the position shown in Fig. 12. The lower stop 27 is incontact with said clutch continuously and permits the said clutch toturn forward, but not backward.

The coil-spring connects the outer end of said stop with the extendingarm 84 of the bed, and thus holds the opposite end of-said stop incontact with the clutch 18. Said clutch and its shaft can only rotatewhen clutch 18 is moved rearward so it is free from stop 28, and when inthe position shown in Fig. 12 said clutch cannot rotate in eitherdirection, and the twister-head is held right side up, so a bale-wirecan be placed in it, as stated. As a bale-wire is being twisted it is ofne cessity shortened in its twisted part, and it is necessary to permitthe twister-head and its shaft to move forward a little during thetwisting operation in order to prevent injury to the wire and machine.Such limited forward movement is permitted by means of shaft 12 movingforward against the coilspring 30, sleeved thereon, as shown in Fig. 1.The form of the cam of wheel 11 is such as to permit said shaft to moveforward for such purpose without changing the position of the formers.After the end of the bale-wire has thus been bent or formed around theformer 53 and the return end twisted back upon the body-wire a head hasbeen formed on the end of the bale-wire, such as is shown in Fig. 16,which forms a hook to catch into a loop formed on the opposite end ofthe bale-wire, but not shown, thus forming a very strong durable hookmade of the wire itself for connecting the two ends of the bale-tiearound a bale.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is as follows, to wit: 1. In a machine forforming hooked heads on the end of wire bale-ties, the combination ofthe twister-head 41, 42, 43 and its shaft 12, reciprocating former 53,53, oscillating arm 51 having the sheave-wheels 52, oscillating hookedarm 50, cam-arm 56 operated by said arm, shafts 48, 49, sliding head 36,connecting-rods 44, 45, lever 40, spring 55, the means for rotating saidshaft 12, and the vise mechanism for holding the bale-wire while beingtwisted, all arranged to operate substantially as and for the purposeset forth.

2. In a machine for forming hooked heads on the end of wire bale-ties,the combination of the twister-head 41, 42, 43 and its shaft, the

ingarms 50, 51, 56, and the means for rotating said head and foroperating said wirebending arms and cam, and for operating saidformer-block, all arranged to operate substantially as and for thepurpose set forth.

3. In a machine for forming hooked heads on wire bale-ties, thecombination of the shaft 12, the twister-head 41, 42, 43 secured on itsouter end and having the means for bending the bale-wire around theformer 53, clutchh'ead'18 feathered on the inner end of said shaft,collar 29 secured on said shaft, coilspring 30 sleeved on said shaft andbearing against the forward side of said collar, driven shaft 10arranged in line with shaft 12 and having the matching clutch-head 17for engaging cluteh 18, shaft 7 having cam 24:, slide 20 for engagingclutch-head 18, coil-spring 25, the stop mechanism 27, 28, and the visemechanism for holding the bale-wire while being twisted, all arranged tooperatc substantially as and for the purpose set forth.

4. In a machine for forming hooked heads on-the ends of wire bale-ties,the combination of a forked head secured on the end of anintermittently-rotating shaft, a former-block arranged in a suitable boxin one of said forks or arms in such manner as to reciprocate across thespace between them, the bendingarms and cam-arm for-bending the end ofthe bale-wire around said former, the means for operating saidbending-arms and formerblock and for holding the return end of thebale-wire with the body-wire while being twisted together, all arrangedto operate substantially as and for the purpose set forth.

GEORGE LEHBERGER. WVitnesses:

THos. H. HUToHINs, WM.- J. I-IUTcHINs.

